On January 6, 1997, 36 U.S. Code § 124 went into effect, it reads:
"The President may issue each year a proclamation designating February 1 as National Freedom Day to commemorate the signing by Abraham Lincoln on February 1, 1865, of the joint resolution adopted by the Senate and the House of Representatives that proposed the 13th amendment to the Constitution."
https://youtube.com/playlist?list=PLSnt4mJGJfGiGoRJ5Nz_rQYc80Oq7rbgp
Three classic episodes of The History Guy about how the Christmas season survives even tragedy.
The “Great Sedition Trial” uncovered shocking connections at the time with the German reich that we were fighting, and challenged the idea that the nation was of a single mind during the war. It also challenged exactly how far the national commitment to freedom of speech and opinion reached, especially in extraordinary times.